Seiko Cal. 4437 - 266

Seiko 4437-266

The 4437-266 is a sought-after Automatic piece from Seiko's golden era. The Inner Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-3ec785147b3c]

Also known as: Bullhead, Navigator

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
37mm
Case Thickness
8.6mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
70m
Dial Color
Navy
Jewels
28j
Frequency
36,000 bph
Power Reserve
55 hours
Year
1982

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